Granted Patent
Utility
US 4,533,149 · App. 06/501,557
Split seal ring with interlocking cut
Inventors:
George R. Vater, Aldo Allori
Patented Case
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Granted: Aug 6, 1985
Filed: Jun 10, 1983
Inventors
George R. Vater
Aldo Allori
Assignee (at issue)
J. I. Case Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.